861569080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{7841}}^1$

素因数の和:7960

約数の個数: 64

約数和(自身を含む): 2015707680

約数和(自身を除く): 1154138600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 2680, 2747, 5494, 7841, 10988, 13735, 15682, 21976, 27470, 31364, 39205, 54940, 62728, 78410, 109880, 156820, 313640, 321481, 525347, 642962, 1050694, 1285924, 1607405, 2101388, 2571848, 2626735, 3214810, 4202776, 5253470, 6429620, 10506940, 12859240, 21013880, 21539227, 43078454, 86156908, 107696135, 172313816, 215392270, 430784540, 861569080]

約数ペア:

[(1, 861569080), (2, 430784540), (4, 215392270), (5, 172313816), (8, 107696135), (10, 86156908), (20, 43078454), (40, 21539227), (41, 21013880), (67, 12859240), (82, 10506940), (134, 6429620), (164, 5253470), (205, 4202776), (268, 3214810), (328, 2626735), (335, 2571848), (410, 2101388), (536, 1607405), (670, 1285924), (820, 1050694), (1340, 642962), (1640, 525347), (2680, 321481), (2747, 313640), (5494, 156820), (7841, 109880), (10988, 78410), (13735, 62728), (15682, 54940), (21976, 39205), (27470, 31364)]